| Usingen to Carson (California) | 5,777.68 mi (9,298.28 km) |
| Usingen to Carson City (Nevada) | 5,504.62 mi (8,858.82 km) |
| Usingen to Carteret (New Jersey) | 3,856.56 mi (6,206.53 km) |
| Usingen to Cartersville (Georgia) | 4,582.69 mi (7,375.13 km) |
| Usingen to Carthage (Missouri) | 4,795.92 mi (7,718.28 km) |
| Usingen to Cary (Illinois) | 4,320.17 mi (6,952.63 km) |
| Usingen to Cary (North Carolina) | 4,263.58 mi (6,861.57 km) |
| Usingen to Casa de Oro-Mount Helix (California) | 5,802.57 mi (9,338.33 km) |
| Usingen to Casa Grande (Arizona) | 5,631.01 mi (9,062.24 km) |
| Usingen to Casas Adobes (Arizona) | 5,638.91 mi (9,074.94 km) |
| Usingen to Cascades (Virginia) | 4,052.84 mi (6,522.41 km) |
| Usingen to Casper (Wyoming) | 4,900.93 mi (7,887.28 km) |
| Usingen to Casselberry (Florida) | 4,715.43 mi (7,588.75 km) |
| Usingen to Castaic (California) | 5,750.50 mi (9,254.53 km) |
| Usingen to Castle Pines (Colorado) | 5,039.24 mi (8,109.87 km) |
